Modern voice networks are interchangeable with data networks. That is not to say that legacy TDM and digital systems are obsolete - far from it. Hybrid solutions where a combination of IP and TDM co-exist still play a role in maximising historic infrastructure investment. 

The secret, however, lies in designing expansions or new deployments in such a manner that the flexibility and power of IP communications networks comes to the fore. DataFusion specialise in: